Quinapril (Generic Name)
Other Names: Accupril®

Oral tablets: 5 mg, 10 mg, 20 mg, 40 mg

About this drug

This medicine is used to treat high blood pressure, heart failure, and kidney disease that is a result of diabetes. It is part of a class of drugs called ACE inhibitors. ACE stands for angiotensin (an-gee-oh-TENsin) converting enzyme.

Side effects

Common side effects are:

  • Cough
  • Diarrhea
  • Tiredness
  • Dizziness or light-headedness. Be careful while taking this drug. Driving and using machines can be dangerous if you are not alert.
  • Nausea
  • Vomiting
  • Abnormal heartbeat (palpitations)

Rare side effects include:

  • Fever
  • Chills
  • Stomach pain
  • Skin rash
  • Trouble breathing or swallowing
  • Joint pain
  • High potassium levels. To keep your potassium level normal, avoid drinking alcoholic beverages. Also, reduce the use of sodium (salt) and salt substitutes in your diet.
  • Low urine output

If any of the side effects becomes severe or bothers you, call your doctor. Do not take over-the-counter medicine for your symptoms.

Drug interactions

Tell your doctor or pharmacist about any prescription medicine, over-the-counter medicine, or herbal products that you are taking. He or she will check for interactions.

If you miss a dose

If you miss a medicine dose, take it as soon as you remember. But if it is within 2 hours of your next dose, skip the missed dose. Take your next dose at its scheduled time, and continue your usual dosing schedule. Do not “double up” on doses to catch up. 

How to take this medicine

Take this medicine once or twice a day as your doctor prescribes. You may take it with or without food. 

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